|Dub Name||Aaron Williams|
|Birthday||December 5th, Sagittarius|
|Eye Color||Dark Red|
|Hair Color||Dark Red|
Akio is a university student, who has average height and dark red colored hair. Akio has shoulder long hair that he has tied to a low ponytail at the back of his head. Akio has narrowed, dark red colored eyes. In civilian, he wears black pants that end slightly above his ankles. He wears a red and white checked shirt which he hasn't buttoned up. Akio wears brown loafers and white socks.
Akio is serious and very stubborn university student, who seems bossy and ignorant towards the people around him. Akio likes to tease others and also to point out how great he is. However, Akio isn't just arrogant and self-centered, he is also a boy who never had the chance to actually grow up like any normal child. Due to this, he behaves slightly different than other people of his age. While he acts to be confident and outgoing, Akio is actually scared of talking with others and feels quite lonely.
- Akamine Sakura: Sakura is the younger sister of Akio. Even though they do not seem too close, Akio accidently fused Sakura's DNA with the DNA of a snow leopard. After this, Akio felt bad for having dragged his sister into the mess he caused and started to work on his project more precisely.
- English Dub: Aaron Williams
- Italian Dub: Aaron
- Mandarin Dub: Huáng Zhu (煌 朱)
- French Dub: Aaron Williams
- Korean Dub: Choe Byeong-Ho (최 병호)
Akamine (赤嶺?) - Akamine comes from Aka (赤?) meaning "red" or "red color", combined with Mine (嶺?) meaning "ridge", "mountain range" or "peak". So Akamine means "read mountain range" or "red colored peak".
- It was revealed that Akio accidently fused his sister's DNA with the DNA of a snow leopard.
|Pâtisserie Mew Mew|
|Project Mew||Akamine Akio • Mew Sugar • Mew Cotton • Mew Sakura • Mew Annette|
|Alien Force||Fátima • Ilona • Danail • Shapur • Annette • Chimera Anima|
|Items||Pâtisserie Pendant • Sugarina • Cotton Chime • Sakura Tact • Jupiter Sword|
|Music||Let's Mix it Up! • Heartbeat! Through the Eyes of Tomorrow|
|Episodes|| Episode 01 • Episode 02 • Episode 03 • Episode 04 • Episode 05 • Episode 06 • Episode 07 • Episode 08 • Episode 09|
Episode 10 • Episode 11 • Episode 12 • Episode 13 • Episode 14 • Episode 15 • Episode 16 • Episode 17 • Episode 18